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Decision Support System & Data Mining Methodologies FTA Conference Atar Singh Tomar [email protected] 22 May 2017 Tata Infotech Ltd. Proprietary Outline Why a Tax Decision Support System (DSS)? Tax DSS Architecture Tax DSS Methodology Tax Decision Support System Business Benefits Concluding Thoughts Q & A Session Tata Infotech Ltd. Proprietary 2 Mainframes Operational Systems Tata Infotech Ltd. Proprietary Online Analytical Systems 3 ACTION Business Need Prediction Forecast WHY WHAT Complexity Tata Infotech Ltd. Proprietary 4 Readily access and analyze the tax information Effectively and accurately identify the area of noncompliance Better understand the taxpayers Formulate better legislative policies Achieve higher degree of accuracy in revenue forecast Optimize the operational cost Tata Infotech Ltd. Proprietary 5 Compare the revenue collected and balance due for the past 5 years by Business Type Evaluate the effectiveness of audit programs in identifying non-filers and by Tax Type under reporters by Tax Period by tax period by Location by location by its distribution thetype various byacross business Trends in the collected and due amounts in the various Payment Plans at income groups of the taxpayers various stages and defaulters by the payment plan type by the tax period by the income group Evaluate the effectiveness of external data in identifying non-filers by by the tax type showing the number of such taxpayers Evaluate the productivity of various departments in the years Tata Infotech Ltd. Proprietary by tax period by locationcases handling by business type over 6 Designed for real-time data entry and editing Data maintained is constantly changing Limited historical data is available for on-line comparisons Running Decision Support queries degrades the performance of the Transactional Application Difficulty in making ad-hoc queries Complexity in achieving Comparisons, Aggregations, Rankings, Running totals etc. Tata Infotech Ltd. Proprietary 7 Decision Support System is a computer based information system designed to facilitate the decision making process of semi structured tasks Tata Infotech Ltd. Proprietary 8 Metadata Repository Indv. / Corp. Tax App. Source Un-employment Tax App. Withholding Tax App. A/R System Internal Data Sources “A Data Warehouse is a subject-oriented, integrated, Data Validation time variant and non-volatile Data Migration collection of data in support of Data Scrubbing management’s decision-making process.” Transformation Sequence Tax Data Data A Data-Mart contains a subset of the data T Transformation X Y Warehouse T available in an enterprise-wide data warehouse.LAN Data Table of Contents Origin of Data Extraction,Title Page = AA 4 Data 8 ScrubbingBB A T is X Data Data Mining CC Meta 12 Cube Y Warehouse C 2Q96 and AB 16 State’s Legacy and Transactional Mart application Discovering meaningful new correlations, BA 20 3Q96 Transformation 4Q96 Patterns and trends Income 1Q97 2Q97 IRS’s different tapes Meta Cube B Using Pattern recognition technologies, Tax and mathematical Withholding Statistical techniques Access Levels Compliance IMF IRTF Refresh Processing info BMF Analytical On-Line (OLAP) Insurance Time Line of Journey External 12 BRTF Sources Is a process to assist decision making by using tools to facilitate the analysis Other State Agency's 9 3 of multi-dimensionally Payroll Systemstructured business information. External Data Data Warehouse Collected Tax Revenue Transportation System 6 Sources • North General Services • Withholding = East West Tata Infotech Ltd. •Proprietary 1Q97 North WAN Internet OLAP tools EIS Query & Reporting Statistical Analysis Data Mining 9 Structured Interviews Decision Support Analysis Decision Analysis Scoping of Prototype Data Analysis Project Evaluation Criteria Technical Analysis Detailed Design Conceptual DSS Orientation System Construction Plans & Prioritization Testing Functional Orientation Demonstration DSS Software Evaluation & Selection Operational Training Evaluation Deployment Prototype Development Maintenance Operational Deployment and Support Tata Infotech Ltd. Proprietary 10 These Subject Areas can be viewed w.r.t to various common perspectives Taxpayer Profiling Tax Collection Business Type Location (States, City) Taxpayer (Demographic) Tax Type Tax Period (Year, Quarter, Months) Time (Year, Months, Events, Seasons) Fraud Detection & Tax Non-compliance Legislative Change Impact Revenue Forecasting Tata Infotech Ltd. Proprietary 11 Provides comprehensive taxpayer information Identification of potential fraudulent taxpayers Compliant taxpayer can be relaxed from cumbersome audit process Provide better taxpayer services Tata Infotech Ltd. Proprietary 12 Analyze the trends in tax revenue for revenue enhancement Evaluate uncollected tax revenue Reallocate resources to value added programs Enhance A/R management Tata Infotech Ltd. Proprietary 13 Maximize the non-compliance discoveries Analyze trends and patterns of targeted groups of taxpayers Rank potential audit suspects by evaluating their revenue potential Focus on collection and compliance efforts Substantial increase in tax assessments and long term reduction in tax gap Tata Infotech Ltd. Proprietary 14 Leverage the accuracy, efficiency,and productivity of non-compliance programs Provide an alert mechanism to trap non-filers before expiry of the statute limit Tata Infotech Ltd. Proprietary 15 Determine the effects of changes in legislation, policies and regulations Estimate fiscal and administrative impacts of proposed legislative changes Support users in formulating tax policy Analyze the revenue effect of proposed and enacted legislative changes Tata Infotech Ltd. Proprietary 16 Ability to formulate reasonable fiscal policies Incorporate the historical revenue trends and other governing estimate variables Provide the highest degree of accuracy in revenue forecasting Use of econometric models to improve the accuracy of forecasts Tata Infotech Ltd. Proprietary 17 Tangible Benefits Improvement in non-compliance will increase tax revenue More cost effective decisions are enabled Better business intelligence is enabled Enhanced taxpayer Services Intangible Benefits Improved productivity Reduced redundant processing and support Ability to focus on business processes through complete analysis Tata Infotech Ltd. Proprietary 18 Tax DSS holds great potential for dramatic business benefits Capitalizes on the potential value of the organization’s information Provide decision makers access to consistent, reliable and timely data Still much more to explore and enhance Tata Infotech Ltd. Proprietary 19 Understand DSS Technology Tax DSS Methodology Superior Solution Expertise in the Area Large pool of resources Make Things Happen Tata Infotech Ltd. Proprietary 20